Complete Oil Specifications
Your 2023 BMW X1 equipped with the 2.0L TwinPower Turbo (B48) requires 5W-30 full synthetic oil meeting BMW Longlife-04 (LL-04) approval and ACEA C3 standards.
Quick Reference
| Specification | Value |
|---|---|
| Viscosity | 5W-30 |
| BMW Approval | BMW LL-04 |
| ACEA Rating | ACEA C3 |
| Capacity (with filter) | 5.3 quarts |
| Oil Filter | BMW 11427645032 |
| Normal Interval | 10000 miles |
Why BMW LL-04 5W-30 is Critical for This Engine
The B48 is BMW’s modular turbocharged four-cylinder featuring Valvetronic variable valve lift, Double VANOS variable camshaft timing, and BMW TwinPower Turbo technology. BMW Longlife-04 oil approval is mandatory — not just a recommendation — because LL-04 fluids contain specific additive packages that protect the Valvetronic actuator components and are compatible with BMW’s catalytic converter and particulate filter systems. Generic ACEA C3 oils without the LL-04 mark may not meet BMW’s internal corrosion and deposit standards.
Using incorrect oil will:
- ❌ Risk catalytic converter contamination from incompatible additive chemistry
- ❌ Compromise Valvetronic variable valve lift actuator lubrication
- ❌ Void the BMW warranty if non-approved oil is used
BMW-Approved Oil Brands
-
✅ BMW TwinPower Turbo 5W-30
-
✅ Castrol Edge Professional BMW LL-04 5W-30
-
✅ Mobil 1 BMW SAE 5W-30
-
✅ Shell Helix Ultra ECT C3 5W-30
-
✅ Liqui-Moly Special Tec B FE 5W-30
Always look for the explicit BMW Longlife-04 label printed on the container. ACEA C3 alone is not sufficient — the LL-04 approval must be present.
Severe Service Check
You need the 5000-mile interval if you:
- Drive primarily in stop-and-go urban traffic
- Make frequent short trips under 5 miles in cold weather
- Carry maximum passenger or cargo loads regularly
- Drive with a roof box or tow a trailer
Installation Details
Drain Plug Torque: 18 ft-lbs The B48 uses a drain plug with an integrated aluminum seal. Replace the seal at every oil change — part number 07119904939. Reusing the old seal is the most common cause of BMW drain plug leaks.
OEM Filter: BMW 11427645032
Aftermarket Filters:
-
Mann HU 716/2x
-
Mahle OC 253
-
Wix 57282
Pro Tip: The B48 oil filter is a cartridge housed in a plastic canister on the top of the engine — no need to go underneath. Use a 36mm socket to remove the canister cap. Torque the cap to 25 Nm (18 ft-lbs). Pre-fill the new filter cartridge with fresh oil before installation to reduce dry-run time on startup.
FAQs
What oil does a 2023 BMW X1 take? 5W-30 full synthetic with BMW Longlife-04 (LL-04) approval, such as Castrol Edge Professional BMW LL-04 or BMW’s own TwinPower Turbo oil.
How many quarts does it need? 5.3 quarts with a new filter, 5.1 quarts without.
Can I use 0W-30 instead of 5W-30? Yes, 0W-30 with LL-04 approval is acceptable for the B48 in cold climates. BMW approves both 0W-30 and 5W-30 LL-04-certified oils.
Is synthetic oil required? Yes, full synthetic is mandatory for the B48 engine and required to achieve BMW’s Longlife service intervals.
How often should I change the oil? BMW’s Condition Based Service (CBS) system monitors oil quality and alerts you when a change is needed — typically every 10000 miles under normal driving. Do not exceed 12 months regardless of mileage.
Last verified: 2026-03-25 | Source: 2023 BMW X1 Owner’s Manual